Re: gEDA-user: Design Nark

2011-07-19 Thread David Smith
Andy Fierman wrote: Is it just me being a Grumpy Old Man or does anyone else take issue with RS over their advertising for their Design Spark EDA tool? (Disclaimer: My opinions only, and nothing to do with my employer) If you feel strongly enough about it, why not report it to the ASA? If

Re: gEDA-user: Anybody have any experience with cheap chinese reflow ovens?

2011-02-25 Thread David Smith
yamazakir2 wrote: I'm talking about ones such as these: http://cgi.ebay.com/T-962-INFRARED-IC-HEATER-REFLOW-WAVE-OVEN-BGA-T962-a5-/120664888674?pt=LH_DefaultDomain_0hash=item1c18301562 It seems like $320 shipped is pretty cheap for a reflow oven... to the point where I question the

Re: gEDA-user: transition of pcb internal units to metric (SI, mm)

2011-02-08 Thread David Smith
Andrew Miner wrote: The current standard for wafer diameter is 300 mm (11.8) = 109 sq inches. You would loose about 1/4 of the area to the edge effects on the wafer so you are looking at ~75 in sq of usable space. When you consider that most of the parts that we use on our PCBs have an IC die

Re: gEDA-user: Random thoughts on the future interface of PCB

2010-12-09 Thread David Smith
Anthony Blake wrote: Stephen Ecob wrote: 1. Would any of the existing maintainers be able to devote more time to gEDA if they had financial support to do so ? I'm aiming to finish University in a few months.. if people would like to fund work on the toporouter, then I would be pretty keen

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-16 Thread David Smith
John Griessen wrote: On Fri, Aug 13, 2010 at 10:54 AM, Peter Clifton pc...@cam.ac.uk wrote: On Thu, 2010-08-12 at 09:17 -0500, John Griessen wrote: OpenNurbs.org has the code, public domain. He's considering forking and licensing it GPL. IMO, that sounds like quite an aggressive thing

Re: gEDA-user: [OT] Fluorescent tube help

2010-08-13 Thread David Smith
Chris Smith wrote: I recently purchased an old, second-hand UV exposure box to try making PCBs at home. One of the tubes has started to fail and in replacing them I have noticed something odd: the box takes two 12 8W T5 tubes, but has only a single 13W switch-start ballast. I assumed that a

Re: gEDA-user: OT: Bike Alarms

2010-05-17 Thread David SMITH
On Sun, 2010-05-16 at 20:09 -0500, John Griessen wrote: Lojack gets results for cars. There's bound to be some way to do something that fits in with what happens with bikes. Why give up so easy? It's easier to fit to cars because there are more places to hide a box like this, and the car has

Re: gEDA-user: OT: Bike Alarms (was: Re: Copper-free area in footprint)

2010-05-14 Thread David SMITH
On Thu, 2010-05-13 at 11:19 -0700, Jared Casper wrote: How cheap a service contract can you get for the sim card? Unless you can get a per-SMS plan or something, after a year or two you may be approaching a non-trivial percentage of the cost of replacement. While the tech solution is

gEDA-user: OT: Bike Alarms (was: Re: Copper-free area in footprint)

2010-05-13 Thread David SMITH
John Griessen wrote: David C. Kerber wrote: If you've got a carbon frame, you could drop it into the seat tube, where it would never be seen, and therefore never removed by a thief... This really does sound like a product since bikes can cost these days. Not to put too much of a

Re: gEDA-user: OT: Bike Alarms

2010-05-13 Thread David SMITH
David C. Kerber wrote: Remember what the original suggestion was: have the device wake up for a few seconds once a day and send a message as to where it is (or maybe only send that message if it's not where it's supposed to be). Yes, I remember the original suggestion; I don't know what the

Re: gEDA-user: any last minute advice prior to sending out for PCB fab

2010-02-24 Thread David SMITH
On Tue, Feb 23, 2010 at 10:01:55PM -0500, gene glick wrote: what else? Any suggestions? Check your hole dimensions, especially on connectors - a correctly-routed board is not much use if your connector pins won't fit through the holes... -- David SmithWork Email: dave.sm...@st.com

Re: gEDA-user: Calculating component area verses available board area?

2009-12-01 Thread David SMITH
potentially be setting yourself up for future problems. You did the last board at 80% utilisation, so why can't you do this one which is only 70%? -- David SmithWork Email: dave.sm...@st.com STMicroelectronics Home Email: david.sm...@ds-electronics.co.uk Bristol, England

Re: gEDA-user: My uEDA-designed open source hardware board works!

2009-10-28 Thread David SMITH
of the critical components, and then let the tool auto-place and then route the rest. -- David SmithWork Email: dave.sm...@st.com STMicroelectronics Home Email: david.sm...@ds-electronics.co.uk Bristol, England GPG Key: 0xF13192F2

Re: gEDA-user: single-sided boards

2009-03-05 Thread David SMITH
On Tue, Mar 03, 2009 at 07:05:05PM +, Kai-Martin Knaak wrote: On Tue, 03 Mar 2009 16:47:28 +, David SMITH wrote: From a user's point-of-view, it makes life much easier because they no longer have the hassle of generating Gerbers (e.g. getting the correct version of RS274, putting

Re: gEDA-user: single-sided boards

2009-03-03 Thread David SMITH
On Tue, Mar 03, 2009 at 11:37:35AM +0300, Ineiev wrote: On 3/2/09, David SMITH dave.sm...@st.com wrote: If I may make a suggestion - solve the layer handling problem which prevents PCB's data files from being taken directly by companies like www.pcb-pool.com. (I think it's something to do

Re: gEDA-user: [PATCH 0/4][PCB] Color setting updates

2009-03-03 Thread David SMITH
it a go. Personally, I'd say that a .pcb file should describe the attributes of the PCB itself, not how the application should display it. Things like display colours of layers should be defined by the user's global settings. -- David SmithWork Email: dave.sm...@st.com STMicroelectronics

Re: gEDA-user: single-sided boards

2009-03-02 Thread David SMITH
:-) -- David SmithWork Email: dave.sm...@st.com STMicroelectronics Home Email: david.sm...@ds-electronics.co.uk Bristol, England GPG Key: 0xF13192F2 ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin

Re: gEDA-user: geda-user attachment policy ?, was: Re: Breaking a track into two segments by using a hole

2008-11-13 Thread David SMITH
to change it to something different. I'd suggest that whatever value has been set should be considered to be the limit. (Of course, it's a limit, not a target...) -- David SmithWork Email: [EMAIL PROTECTED] STMicroelectronics Home Email: [EMAIL PROTECTED] Bristol, England GPG

Re: gEDA-user: best ways to do SMT assembly

2008-08-15 Thread David SMITH
;-) -- David Smith| Tel: +44 (0)1454 462380Home: +44 (0)1454 616963 STMicroelectronics | Fax: +44 (0)1454 462305 Mobile: +44 (0)7932 642724 1000 Aztec West| TINA: 065 2380 GPG Key: 0xF13192F2 Almondsbury| Work Email: [EMAIL PROTECTED] BRISTOL, BS32 4SQ | Home Email

Re: gEDA-user: best ways to do SMT assembly

2008-08-15 Thread David SMITH
, rather than just push them into place. -- David Smith| Tel: +44 (0)1454 462380Home: +44 (0)1454 616963 STMicroelectronics | Fax: +44 (0)1454 462305 Mobile: +44 (0)7932 642724 1000 Aztec West| TINA: 065 2380 GPG Key: 0xF13192F2 Almondsbury| Work Email: [EMAIL PROTECTED

Re: gEDA-user: Way OT: Architectural CAD programs

2008-07-03 Thread David SMITH
done on his house, and he was particularly enthusiastic about Google's free 3D design tool (can't remember the name). -- David Smith| Tel: +44 (0)1454 462380Home: +44 (0)1454 616963 STMicroelectronics | Fax: +44 (0)1454 462305 Mobile: +44 (0)7932 642724 1000 Aztec West| TINA: 065

gEDA-user: [OT] Beer and bicycles (was: Re: youngest user?)

2007-12-21 Thread David SMITH
On Thu, Dec 20, 2007 at 10:22:20PM -0800, Steve Meier wrote: I have always claimed, I can go further on a gallon of beer and a bicycle then a gallon of gas and a car. Well, I know for sure that if I drunk a gallon of beer, I'd be lucky to go 100 metres on my bike... -- David Smith

Re: gEDA-user: youngest user?

2007-12-21 Thread David SMITH
On Thu, Dec 20, 2007 at 11:42:42AM -0500, DJ Delorie wrote: Great, does she know Ohm's law yet? The colors mean numbers. It's like a secret code. You're grey years old! pedant ITYM black grey black years old... /pedant -- David Smith| Tel: +44 (0)1454 462380Home: +44 (0

Re: gEDA-user: Request for VHDL and Hierarchical Spice References

2007-11-28 Thread David SMITH
or otherwise) available somewhere on the net if you look hard enough. HTH... -- David Smith| Tel: +44 (0)1454 462380Home: +44 (0)1454 616963 STMicroelectronics | Fax: +44 (0)1454 462305 Mobile: +44 (0)7932 642724 1000 Aztec West| TINA: 065 2380 GPG Key: 0xF13192F2 Almondsbury